Asian oak fern vs Polar bear

Gymnocarpium continentale compared with Ursus maritimus

Key Differences

Asian oak fern is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Asian oak fern	Polar bear
Kingdom	Plantae (plantas)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (cordados)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (mamíferos)
Order	Polypodiales (Polypodiales)	Carnivora (carnívoros)
Family	Cystopteridaceae	Ursidae (Bears)
Genus	Gymnocarpium	Ursus (Bears)
Species	Gymnocarpium continentale	Ursus maritimus

Conservation Status

Asian oak fern

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Asian oak fern	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Asian oak fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Canada, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Asian oak fern

The Asian oak fern (Gymnocarpium continentale) is a species in the genus Gymnocarpium. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Canada, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.